HS Tarm 2000, Инструкция по установке и эксплуатации

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I
NSTALLATION (continued)
PAGE 31
PIPING TO HEAT DISTRIBUTION SYSTEM IN HOME
The Tarm EXCEL may be connected to several different forms of heat distribution within your
home, either separately or in combination, as follows:
•
Hot Water Baseboard Heating
•
Radiant Floor Heating
•
Hot Air Heating
Hot Water Baseboard Heating
For specific information, see IBR Bulletin #200, “Residential Hydronic Heating Systems”, which
can be obtained from The Hydronics Institute, 35 Russo Place, Berkeley Heights, NJ 07922.
NOTE: OVERHEAT LOOP : The piping and controls must be connected to the boiler in
such a way that there is one loop of radiation available for gravity circulation in
event of power failure. (See diagram at bottom of page 32). This loop must not be
obstructed by any valves or other accessories which would prevent gravity
circulation during a power failure. The loop must be large enough to dissipate at
least 10% of the boiler’s maximum rated output on solid fuel, assuming an ambient
temperature of 65
°
F in the area heated by the loop, and a water temperature of
180
°
F.
The minimum pipe size for this loop is 3/4”, and, if possible, the loop should be
located and pitched to maximize natural thermal convection of the water. The
design of the loop must be such that it can be made inoperative only by deliberate
manual action.
If large enough, an existing heating radiation zone may be used for the overheat
loop if it is equipped with zone valves which will open automatically during a power
failure. (We recommend the use of AUTOMAG automatic zone valves for this
application! TARM USA, INC. can supply these valves.) If large enough, a heating
zone under circulator control may also provide enough overheat capacity. Please
refer to piping layout concept diagram.
The TARM EXCEL piping installation must include an air purger, air vent and expansion tank,
as is described below.
•
For connection to conventional systems see diagrams on pages 9, & 32, and proceed as
follows:
1. Thread a 1 1/4” pipe nipple into tapping #1 (side of boiler). Then install a tee for
connection to the zone to be used for gravity circulation to provide overheat protection
during a power failure. Next connect an AMTROL #444 (1 1/4”) air purger, or
comparable air eliminator, using the inlet tapping.
DO NOT REDUCE THE PIPE SIZE
UNTIL AFTER THE AIR PURGER AND TEE LEADING TO THE TERMOVAR.
2. An AMTROL #60 or comparable expansion tank should be used. (This tank is sufficient
for systems up to 86 gal. capacity. For systems with greater capacity, consult your
installer or dealer.)
3. Install a Termovar tempering valve (available from TARM USA, INC.), a balancing
valve and a circulator as shown on page 32. Pipe the return into tapping #2, rear of
boiler.
NOTE: All Interconnection wiring must be completed as per the wiring diagrams on pages 24-25.
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